Alright, let's work through 13266119 times 37996840 step by step
13266119 × 37996840 = 37996840 × (13266119)
+ 37996840 × 9 what gives us 341971560
+ 37996840 × 10 yielding 379968400
+ 37996840 × 100 what gives us 3799684000
+ 37996840 × 6000 giving us 227981040000
+ 37996840 × 60000 producing 2279810400000
+ 37996840 × 200000 producing 7599368000000
+ 37996840 × 3000000 that equals 113990520000000
+ 37996840 × 10000000 which equals 379968400000000

= 504070601063960
